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SamsungMZ-76E1T0B
AdataASP900S3-256GM-C
▲ 56354 ▼

Controller: Samsung MJX. Memory: Samsung 64 layer TLC V-NAND. Release date ≈ Q1 2018.

VS
▲ 505 ▼

Controller: LSI SandForce SF2281. NAND Flash: Intel Micron Synchronous 25nm MLC. Release date ≤ Q1 2014.

Effective Speed 
+51%
Real World Speed
Performance profile from 612,283 user samples
Benchmark your SSD here
602,853 User Benchmarks
Best Bench: 133% 279GB free
Worst Bench: 81% 103GB free (System drive)
Poor: 81% Great: 133%
SPEED RANK: 215th / 1080
9,430 User Benchmarks
Best Bench: 89% 187GB free
Worst Bench: 53% 6GB free
Poor: 53% Great: 89%
SPEED RANK: 604th / 1080
Effective Speed
Effective SSD Speed 		112 % Much faster effective speed.
+51% 		74 %
Average Score 
+57%
Read
Avg. Sequential Read Speed 		481 MB/s Much faster read speed.
+36% 		353 MB/s
Write
Avg. Sequential Write Speed 		433 MB/s Much faster write speed.
+75% 		248 MB/s
4K Read
Avg. 4K Random Read Speed 		37.5 MB/s Much faster random read.
+38% 		27.2 MB/s
4K Write
Avg. 4K Random Write Speed 		95.3 MB/s Faster random write.
+19% 		80.3 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		404 MB/s Much faster mixed IO speed.
+53% 		264 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		50.4 MB/s Much faster random mixed IO.
+44% 		34.9 MB/s
SusWrite
Avg. Sustained Write Speed 		411 MB/s Hugely faster sustained write speed.
+132% 		177 MB/s
Peak Score 
+50%
Read
Peak Sequential Read Speed 		516 MB/s Faster peak read speed.
+23% 		419 MB/s
Write
Peak Sequential Write Speed 		491 MB/s Much faster peak write speed.
+62% 		303 MB/s
4K Read
Peak 4K Random Read Speed 		47.3 MB/s Much faster peak random read.
+40% 		33.9 MB/s
4K Write
Peak 4K Random Write Speed 		127 MB/s Faster peak random write.
+14% 		111 MB/s
Mixed
Peak Sequential Mixed IO Speed 		467 MB/s Much faster peak mixed IO speed.
+56% 		299 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		64.9 MB/s Much faster peak random mixed IO.
+47% 		44.1 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		489 MB/s Hugely faster peak sustained write speed.
+107% 		236 MB/s
Value & Sentiment 
+2,328%
Market Share
Based on 77,579,690 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.87 % Insanely higher market share.
+8,600% 		0.01 %
Value
Value For Money 		31.8 % Hugely better value.
+645% 		4.27 %
User Rating
UBM User Rating 		56 % More popular.
+12% 		50 %
Price
Price (score) 		$140 Much cheaper.
+53% 		$300
Nice To Haves 
+45%
Age
Newest 		81+ Months Much more recent.
+37% 		129+ Months
DQ Read
Peak 4K-64Thread Read Speed 		388 MB/s Much faster peak deep queue read.
+34% 		290 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		363 MB/s Much faster peak deep queue write.
+38% 		264 MB/s
AS-SSD Total
AS-SSD Total Score 		1,292 Pts Much stronger server IO.
+34% 		965 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		372 MB/s Much faster peak deep queue mixed IO.
+51% 		247 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		345 MB/s Much faster deep queue read.
+62% 		213 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		295 MB/s Much faster deep queue write.
+37% 		216 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		301 MB/s Much faster deep queue mixed IO.
+71% 		176 MB/s
Specifications 
Capacity
Capacity 		1TB 256GB
Conclusion 
Average Bench 112%
Average Bench 74%

Good :) [Apr '19 RifluY29]

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Welcome to our SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]

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 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
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What is incompressible data?
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Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
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Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
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The Best
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Intel Core i5-12600K $165Nvidia RTX 4060 $280WD Black SN850X M.2 2TB $129
Intel Core i5-13600K $210Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $80
Intel Core i5-12400F $111Nvidia RTX 4070 $500Crucial T700 M.2 4TB $389
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